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Answer the following medical question with the correct letter choice:
<<Question:>> А 55-уеаr-old mаn рrеѕеntѕ to hіѕ рrіmаrу саrе рhуѕісіаn wіth a сomрlаіnt of fatigue for a couple of months. He was feeling well during his last visit 6 months ago. He has a history of hypertension for the past 8 years, diabetes mellitus for the past 5 years, and chronic kidney disease (CKD) for a year. T...
B
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<<Question:>> A 25-year-old woman, gravida 2, para 1, at 25 weeks' gestation comes to the emergency department because of a 1-day history of fever and right-sided flank pain. During this period, she also had chills, nausea, vomiting, and burning on urination. Her last prenatal visit was 10 weeks ago. Pregnancy and deli...
C
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<<Question:>> A 34-year-old G2P2 undergoes colposcopy due to high-grade intraepithelial neoplasia detected on a Pap smear. Her 2 previous Pap smears showed low-grade intraepithelial neoplasia. She has had 2 sexual partners in her life, and her husband has been her only sexual partner for the last 10 years. She had her ...
B
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<<Question:>> A 71-year-old man is brought in by his wife with acute onset aphasia and weakness in his right arm and leg for the past 2 hours. The patient’s wife says they were eating breakfast when he suddenly could not speak. His symptoms have not improved over the past 2 hours. The patient denies any similar symptom...
C
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<<Question:>> A 62-year-old man is brought to the emergency department because of progressive shortness of breath, mild chest pain on exertion, and a cough for 2 days. One week ago, he had a low-grade fever and nasal congestion. He has hypertension but does not adhere to his medication regimen. He has smoked one pack o...
C
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<<Question:>> A research group designs a study to investigate the epidemiology of syphilis in the United States. After a review of medical records, the investigators identify patients who are active cocaine users but did not have a history of syphilis as of one year ago. Another group of similar patients with no histor...
C
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<<Question:>> A 31-year-old man comes to the emergency department because of drooping of the left side of his face since awakening that morning. He had difficulty chewing his food at breakfast. He was treated the previous day at the hospital after sustaining a head injury from falling off a ladder while working on his ...
B
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<<Question:>> A 52-year-old woman is accompanied by her husband to the emergency department with a severe occipital headache that started suddenly an hour ago. She is drowsy but able to answer the physician’s questions. She describes it as the worst headache she has ever had, 9/10 in intensity. The husband says it was ...
D
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<<Question:>> A 40-year-old man presents to a clinic in Michigan in December complaining of painful blue fingers and toes. He also complains of numbness and tingling. The patient’s vital signs are within normal limits, and his symptoms typically disappear when he comes back into a warm room. The patient also notes that...
C
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<<Question:>> A drug research team has synthesized a novel oral drug that acts as an agonist at multiple adrenergic receptors. When administered in animals, it has been shown to produce urinary retention at therapeutic doses with the absence of other manifestations of adrenergic stimulation. The researchers are interes...
D
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<<Question:>> A 31-year-old man comes to the physician because of a 2-day history of abdominal pain and diarrhea. He reports that his stools are streaked with blood and mucus. He returned from a vacation in the Philippines 3 weeks ago. His vital signs are within normal limits. Abdominal examination shows hyperactive bo...
A
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<<Question:>> A 25-year-old man is admitted to the emergency department because of an episode of acute psychosis with suicidal ideation. He has no history of serious illness and currently takes no medications. Despite appropriate safety precautions, he manages to leave the examination room unattended. Shortly afterward...
C
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<<Question:>> Given the pattern of inheritance shown in the pedigree, where might you find the disease gene in question? ---- <<Choices:>> A) On single-stranded DNA in the cytoplasm B) On circular DNA in the mitochondrion C) On double stranded DNA in the nucleus D) On helical RNA in the cytoplasm ---- <<Answer:>>
B
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<<Question:>> A 24-year-old man presents to the emergency room with a stab wound to the left chest at the sternocostal junction at the 4th intercostal space. The patient is hemodynamically unstable, and the trauma attending is concerned that there is penetrating trauma to the heart as. Which cardiovascular structure is...
D
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<<Question:>> A 24-year-old man comes to the physician with a wound on his forearm. He says that he injured himself by absentmindedly walking into a glass door. He does not have health insurance. He has had 5 jobs in the past 8 months. He quit each job after 3–4 weeks because he found the work beneath him. He was impri...
C
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<<Question:>> While performing a Western blot, a graduate student spilled a small amount of the radiolabeled antibody on her left forearm. Although very little harm was done to the skin, the radiation did cause minor damage to the DNA of the exposed skin by severing covalent bonds between the nitrogenous bases and the ...
B
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<<Question:>> A 2-year-old girl presents to the pediatrician with an itchy rash. Her mother reports that she has had a crusty rash on the face and bilateral upper extremities intermittently for the past 2 months. The child's past medical history is notable for 3 similar episodes of severely itchy rashes since birth. Sh...
C
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<<Question:>> A 32-year-old farmer is brought to the emergency department by his wife. The patient was reportedly anxious, sweaty, and complaining of a headache and chest tightness before losing consciousness on route to the hospital. Which of the following is mechanistically responsible for this patient's symptoms? --...
D
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<<Question:>> An 8-year-old boy is brought to the emergency department by his parents 30 minutes after losing consciousness. He was at a water park with his family when he fell to the ground and started to have jerking movements of the arms and legs. On arrival, he continues to have generalized, violent muscle contract...
B
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<<Question:>> A 48-year-old multiparous woman visits the clinic for her annual physical check-up. During the interview, you find out that her father passed away 5 months ago after massive blood loss secondary to lower gastrointestinal bleeding, and both her younger siblings (45 and 42 years of age) were recently diagno...
C
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<<Question:>> Three days after admission to the hospital following a motor vehicle accident, a 45-year-old woman develops a fever. A central venous catheter was placed on the day of admission for treatment of severe hypotension. Her temperature is 39.2°C (102.5°F). Examination shows erythema surrounding the catheter in...
B
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<<Question:>> A 23-year-old woman presents to the emergency department with abnormal vaginal discharge and itchiness. She states it started a few days ago and has been worsening. The patient has a past medical history of a medical abortion completed 1 year ago. Her temperature is 98.6°F (37.0°C), blood pressure is 129/...
A
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<<Question:>> A 64-year-old man presents to the emergency department with sudden onset of pleuritic chest pain and dyspnea on exertion. He has a history of lung cancer and is currently being treated with outpatient chemotherapy. His temperature is 98.9°F (37.2°C), blood pressure is 111/64 mmHg, pulse is 130/min, respir...
D
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<<Question:>> A 36-year-old woman comes to the physician because of prolonged stiffness in the morning and progressive pain and swelling of her wrists and hands over the past 4 months. Examination shows bilateral swelling and mild tenderness of the wrists and the second, third, and fourth metacarpophalangeal joints. He...
D
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<<Question:>> An 82-year-old woman comes to the physician because of difficulty sleeping and increasing fatigue. Over the past 3 months she has been waking up early and having trouble falling asleep at night. During this period, she has had a decreased appetite and a 3.2-kg (7-lb) weight loss. Since the death of her hu...
D
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<<Question:>> A 14-year-old boy is brought to the physician by his parents for a well-child visit. The patient was born at 38 weeks' gestation via vaginal delivery and has been healthy. He attends a junior high school and is having difficulties keeping up with his classmates in many classes. He is at the 97th percentil...
D
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<<Question:>> A 37-year-old man is brought to the emergency department following a motor vehicle collision. His temperature is 38.1°C (100.6°F), pulse is 39/min, respirations are 29/min, and blood pressure is 58/42 mm Hg. There is no improvement in his blood pressure despite adequate fluid resuscitation. A drug is admi...
A
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<<Question:>> A 57-year-old man is brought to the emergency department by his family because of several episodes of vomiting of blood in the past 24 hours. He has a history of alcoholic cirrhosis and is being treated for ascites with diuretics and for encephalopathy with lactulose. His vital signs include a temperature...
B
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<<Question:>> A 3-year-old boy is brought to his pediatrician by his mother when he developed redness, burning, itching, and exquisite pain all over his arms, lower legs, neck, and face. The mother states that she just recently began taking him to the local playground in the afternoons. She reports that she applied lib...
C
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<<Question:>> An 8-month-old boy presents with poor feeding. The patient’s mother says that he has refused to eat since yesterday morning. She also noticed that he has had trouble keeping his head up and appears floppy. She had breastfed him exclusively and just recently introduced him to pureed foods. His last bowel m...
C
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<<Question:>> A 72-year-old man is brought into clinic by his daughter for increasing confusion. The daughter states that over the past 2 weeks, she has noticed that the patient “seems to stare off into space.” She reports he has multiple episodes a day during which he will walk into a room and forget why. She is also ...
C
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<<Question:>> A 3-year-old girl is brought to the physician by her parents because of a barking cough, a raspy voice, and noisy breathing for the last 3 days. Five days ago, she had a low-grade fever and runny nose. She attends daycare. Her immunizations are up-to-date. Her temperature is 37.8°C (100°F) and respiration...
C
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<<Question:>> A student health coordinator plans on leading a campus-wide HIV screening program that will be free for the entire undergraduate student body. The goal is to capture as many correct HIV diagnoses as possible with the fewest false positives. The coordinator consults with the hospital to see which tests are...
C
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<<Question:>> A 40-year-old man is brought into the emergency department because he was involved in a bar fight and sustained an injury to the head. The next day, as requested by the patient, the psychiatry team is called to address some of the concerns he has regarding his drinking habits. He admits that he got irate ...
C
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<<Question:>> A 30-year-old woman presents with generalized fatigue, joint pain, and decreased appetite. She says that symptoms onset a year ago and have not improved. The patient’s husband says he has recently noticed that her eyes and skin are yellowish. The patient denies any history of smoking or alcohol use, but s...
B
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<<Question:>> A 10-year-old girl is brought to the physician because of a severe, throbbing headache for 1 hour. The headache is located in the right frontotemporal region. It is her fifth such headache in the past 2 months. Her mother says that all the previous episodes started after soccer practice, following which t...
B
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<<Question:>> A 60-year-old woman comes to the physician because of lower back pain, generalized weakness, and weight loss that has occurred over the past 6 weeks. She also says that her urine has appeared foamy recently. Physical examination shows focal midline tenderness of the lumbar spine and conjunctival pallor. H...
C
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<<Question:>> A 52-year-old woman presents with mild epigastric pain and persistent heartburn for the past 2 months. An endoscopy is performed and reveals inflammation of the stomach mucosa without evidence of ulceration. A biopsy is performed and reveals intestinal metaplasia with destruction of a large number of pari...
D
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<<Question:>> A 62-year-old man presents to the emergency department with sudden onset of severe left leg pain accompanied by numbness and weakness. His medical history is remarkable for hypertension and hyperlipidemia. His vital signs include a blood pressure of 155/92 mm Hg, a temperature of 37.1°C (98.7°F), and an i...
A
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<<Question:>> A 25-year-old male presents to his primary doctor with difficulty sleeping. On exam, he is noted to have impaired upgaze bilaterally, although the rest of his ocular movements are intact. On pupillary exam, both pupils accommodate, but do not react to light. What is the most likely cause of his symptoms? ...
C
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<<Question:>> A 49-year-old man being treated for Helicobacter pylori infection presents to his primary care physician complaining of lower back pain. His physician determines that a non-steroidal anti-inflammatory drug (NSAID) would be the most appropriate initial treatment. Which of the following is the most appropri...
D
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<<Question:>> Five sets of PCR primers were designed and sythesized, one for each of the viruses listed below. The viral genomic material from each virus was extracted and added to a PCR reaction containing a DNA-dependent Taq polymerase with the corresponding primers. However, of the five PCR reactions, only one yield...
C
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<<Question:>> A 72-year-old man with type 2 diabetes mellitus, hypertension, and systolic heart failure comes to the physician because of a 5-day history of progressively worsening shortness of breath at rest. Physical examination shows jugular venous distention, diffuse crackles over the lower lung fields, and bilater...
B
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<<Question:>> A 14-year-old boy is brought to the physician because of blurry vision. He is at the 97th percentile for height and 25th percentile for weight. He has long, slender fingers and toes that are hyperflexible. Examination of the oropharynx shows a high-arched palate. Slit lamp examination shows bilateral lens...
A
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<<Question:>> A 45-year-old male alcoholic presents with fever, productive cough, and foul-smelling sputum for the past two weeks. Vital signs are T 38.3 C, HR 106, BP 118/64 and RR 16. Oxygen saturation on room air is 90%. Given a diagnosis of aspiration pneumonia, initial chest radiograph findings would most likely i...
D
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<<Question:>> A 66-year-old man comes to the emergency department because of a 1-day history of chest pain, palpitations, and dyspnea on exertion. He had a similar episode 3 days ago and was diagnosed with an inferior wall myocardial infarction. He was admitted and a percutaneous transluminal coronary angioplasty was s...
B
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<<Question:>> A research group wants to assess the safety and toxicity profile of a new drug. A clinical trial is conducted with 20 volunteers to estimate the maximum tolerated dose and monitor the apparent toxicity of the drug. The study design is best described as which of the following phases of a clinical trial? --...
D
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<<Question:>> A 32-year-old African American woman presents to the office with complaints of frothy urine and swelling of her body that started 4 days ago. She noticed the swelling 1st in the face then gradually involved in other parts of her body. The frequency of urination is the same with no noticeable change in its...
B
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<<Question:>> A 5-year-old patient is brought to the emergency department by his parents for concerning behavior. His parents relate that over the past 3 weeks, he has had multiple episodes of staring into space, lip smacking, and clasping his hands together. The patient has his eyes open during these episode but does ...
A
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<<Question:>> A 23-year-old man presents into his physician's office with increasing breathlessness over the past one month. He was diagnosed with asthma when he was a child and has been able to keep his symptoms under control with a Ventolin inhaler. However, over the past year or so he has found that he gets out of b...
C
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<<Question:>> A 12-year-old boy is brought to his orthopedic surgeon for evaluation of leg pain and positioning. Specifically, over the past several months he has been complaining of thigh pain and has more difficulty sitting in his wheelchair. His medical history is significant for spastic quadriplegic cerebral palsy ...
C
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<<Question:>> A 59-year-old man is brought to the emergency department with signs of spontaneous bruising of the lower legs. The patient has a history of alcohol use disorder and has been unemployed for the last 2 years. He reports a 1-year history of fatigue and joint pain. Physical examination of the patient’s legs r...
C
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<<Question:>> A 22-year-old woman comes to the physician because of abdominal pain and diarrhea for 2 months. The pain is intermittent, colicky and localized to her right lower quadrant. She has anorexia and fears eating due to the pain. She has lost 4 kg (8.8 lb) during this time. She has no history of a serious illne...
A
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<<Question:>> An 8-month-old boy is brought to the physician by his parents for gradually increasing loss of neck control and inability to roll over for the past 2 months. During this time, he has had multiple episodes of unresponsiveness with a blank stare and fluttering of the eyelids. His parents state that he somet...
D
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<<Question:>> A 70-year-old woman presents with numbness and tingling that is worse in the soles of her feet. She says that symptoms started a few weeks ago and have progressively worsened. She also complains of mild nausea and white lines on her fingernails. Past medical history is significant for diabetes mellitus ty...
C
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<<Question:>> A 56-year-old man with type 2 diabetes mellitus comes to the physician for a follow-up examination. He reports that he has been compliant with his current antidiabetic medication regimen. His hemoglobin A1c concentration is 8.5%. The physician prescribes a drug that reversibly inhibits a membrane-bound en...
C
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<<Question:>> A 60-year-old woman is brought to the emergency department by paramedics after being found unresponsive. It is not possible to obtain a history. Her blood pressure is 75/30 mmHg and pulse is 108/min. Her extremities are cool and mottled. She admitted to the intensive care unit (ICU) for further supportive...
C
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<<Question:>> A 62-year-old man with a history of coronary artery disease comes to the emergency department with substernal chest pain for several hours. An ECG shows no abnormalities. Troponin T test results are negative. The patient is admitted to the hospital and treated with intravenous nitroglycerin, with an initi...
C
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<<Question:>> A 21-year-old man presents to the clinic complaining of feeling tired during the day. He is concerned as his grades in school have worsened and he does not want to lose his scholarship. Upon further questioning, the patient describes frequently experiencing a dreamlike state before falling asleep and afte...
C
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<<Question:>> A 43-year-old man presents to a primary care clinic complaining of several months of fatigue and difficulty concentrating at work. He is tired throughout the day and often falls asleep briefly at work. He sleeps for 9 hours per night, falling asleep easily, waking up several times in the middle of the nig...
D
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<<Question:>> A 78-year-old man comes to the physician because of a change in his voice. His wife says his voice has progressively become higher pitched, and he has had a 5.4-kg (11.9-lb) weight loss over the past 4 months. He has smoked half a pack of cigarettes daily for the past 40 years. Direct laryngoscopy shows a...
D
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<<Question:>> A 63-year-old woman visits her family physician because she has been experiencing difficulty to get her urine stream started in the past 8 months with many occasions needing extra effort to pass the urine. She describes the stream as intermittent and slow, and comments that she needs to go to the restroom...
C
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<<Question:>> A 50-year-old man is brought to the hospital after being found unresponsive in his bed in the morning. He is declared dead on arrival in the emergency room. His wife states that he always had uncontrolled hypertension despite being on multiple medications. An autopsy is performed, and the cause of his dea...
D
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<<Question:>> A 68-year-old woman comes to the physician with dysphagia and halitosis for several months. She feels food sticking to her throat immediately after swallowing. Occasionally, she regurgitates undigested food hours after eating. She has no history of any serious illness and takes no medications. Her vital s...
A
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<<Question:>> A 37-year-old woman is brought to the emergency department 15 minutes after falling down a flight of stairs. On arrival, she has shortness of breath, right-sided chest pain, right upper quadrant abdominal pain, and right shoulder pain. She is otherwise healthy. She takes no medications. She appears pale. ...
C
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<<Question:>> An investigator is studying the interaction between epithelial cells and calcium ion concentration. When the calcium ion concentration available to a sample of epithelial tissue is decreased, an increased gap between adjacent epithelial cells is seen on electron microscopy. This observed decrease in cell ...
B
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<<Question:>> A 26-year-old man with no past medical history is brought in to the trauma bay by ambulance after sustaining a motorcycle crash against a parked car. The patient is alert and oriented with no focal neurologic defects. The patient has a few lower extremity abrasions but is otherwise healthy and is discharg...
A
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<<Question:>> A 5-year-old boy is brought to the office by his mother with complaints of facial puffiness and “frothy” urine for 4 days. The puffiness first started in his eyes and then spread to the face. His mother does not provide any history of similar symptoms in the past. Past medical history is non-significant. ...
C
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<<Question:>> An 18-year-old woman presents to the medical clinic 6 days after her boyfriend’s condom broke during sexual intercourse. The patient states “I do not wish to get pregnant at this point in my life.” She has no other medical conditions and takes no prescription medications. Her family history is negative. S...
B
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<<Question:>> A 68-year-old woman is being evaluated for fatigue during a follow-up visit after implantation of a prosthetic aortic valve a month ago. She reports she has been feeling more tired than usual but associates it with her recent surgery. A complete blood count (CBC) reveals a hemoglobin of 9.5 g/L and a reti...
B
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<<Question:>> A 64-year-old female with type 2 diabetes mellitus comes to the physician because of a 1-week history of painful red swelling on her left thigh. Examination shows a 3- x 4-cm, tender, fluctuant mass. Incision and drainage of the abscess are performed. Culture of the abscess fluid grows gram-positive, coag...
C
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<<Question:>> A 30-year-old female with a history of epilepsy becomes pregnant. Her epilepsy has been well controlled by taking a medication that increases sodium channel inactivation. Her obstetrician informs her that her epilepsy medication has been shown to have teratogenic effects. Of the following, which teratogen...
D
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<<Question:>> A 45-year-old man comes to the physician because of a 6-month history of a slowly enlarging nodule on the left upper eyelid that has persisted despite treatment with warm compresses. He also reports heaviness of the eyelid and mild blurring of vision in the left eye. Vital signs are within normal limits. ...
C
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<<Question:>> A 65-year-old male presents to the emergency room complaining of a severe headache. He developed a sudden-onset severe throbbing headache while watching a football game on television. His past medical history is significant for migraines and hypertension; however, he states that this headache is different...
A
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<<Question:>> A 31-year-old woman presents to the clinic with shortness of breath, palpitations, and fatigue. She has had these symptoms over the last several weeks. She had been tolerating these symptoms until last night when she could not fall asleep due to palpitations. She has a past medical history of infective en...
D
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<<Question:>> A 42-year-old man comes to the emergency department because of tingling in his hands and legs and palpitations for 1 week. He has also had severe cramping in his hands, feet, and abdomen during this period. Three months ago, he was hospitalized for acute pancreatitis. He discharged himself against medical...
C
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<<Question:>> A 72-year-old woman is brought to the emergency department with dyspnea for 2 days. She is on regular hemodialysis at 3 sessions a week but missed her last session due to an unexpected trip. She has a history of congestive heart failure. After urgent hemodialysis, the patient’s dyspnea does not improve as...
D
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<<Question:>> A 30-year-old woman presents to the emergency department in a state of confusion and disorientation that started this morning. She is accompanied by her husband who says that she has been unwell for about one week. She has been complaining of fatigue. Her husband says that this morning, she also complaine...
C
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<<Question:>> A 19-year-old man presents to the clinic with a complaint of increasing shortness of breath for the past 2 years. His shortness of breath is associated with mild chest pain and occasional syncopal attacks during strenuous activity. There is no history of significant illness in the past, however, one of hi...
D
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<<Question:>> A 34-year-old woman comes to the physician a week after noticing a lump in her left breast. Three months ago, she was discharged from the hospital after treatment of multiple injuries sustained in a motor vehicle collision. Her only medication is an oral contraceptive. Her mother died of ovarian cancer. E...
D
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<<Question:>> A 24-year-old man comes to the physician because his vision has worsened rapidly over the last 2 months. His maternal uncle lost his vision suddenly over a period of 3 months at 26 years of age. The patient's wife and 1-year-old son have normal vision. Funduscopic examination of the patient shows bilatera...
A
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<<Question:>> A 6-month-old infant boy (neonate) is brought to the clinic for a check-up by a couple who recently adopted him from foster care. The biological mother was from a rehabilitation facility and was found incompetent to care for the child, hence he was handed over to foster care. No other information is avail...
A
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<<Question:>> A 16-year-old girl is brought to the emergency department unresponsive. A witness reports that she became anxious, lightheaded, and began sweating and trembling a few minutes before she lost consciousness. Her vitals are as follows: blood pressure 95/60 mm Hg, heart rate 110/min, respiratory rate 21/min, ...
B
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<<Question:>> A 47-year-old man was brought in by his wife for progressively worsening memory and bizarre behavior over the past 2 months. The wife reports that he has been sleeping 15 hours a day, but is still complaining of fatigue. He frequently forgets important events such as his son’s graduation and left the stov...
C
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<<Question:>> A 9-year-old boy is brought to the pediatrician by his parents with a fever, cough, and cold symptoms that began 7 days ago. He has been complaining of right ear pain for the last 2 days. He is otherwise a completely healthy child with no known medical conditions. On physical examination, the temperature ...
D
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<<Question:>> A 21-year-old nurse starts to feel ill during his evening shift. Earlier this evening, he started his shift in his normal state of health. Past medical history is significant for multiple admissions to the hospital under strange circumstances. One time he presented to the emergency department complaining ...
B
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<<Question:>> A 53-year-old man comes to the emergency department because of a 1-month history of cough productive of small amounts of blood-tinged sputum. During this time, he has also developed fatigue, myalgia, and shortness of breath on exertion. He has had a 4-lb (2-kg) weight loss over the past 2 months. He has n...
C
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<<Question:>> A 61-year-old male is given acetazolamide to treat open-angle glaucoma. Upon diuresis, his urine is found to be highly alkaline. Which of the following accounts for the alkaline nature of this patient’s urine? ---- <<Choices:>> A) Inhibition of chlorine reabsorption in the thick ascending loop of Henle B)...
C
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<<Question:>> A 45-year-old man is brought to the emergency department by ambulance after a motor vehicle collision. He is not responsive to verbal commands and is unable to provide any history. His pulse is 108/min and regular. Physical examination shows ecchymoses over the neck and back. Neurological examination indi...
D
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<<Question:>> A 3-day-old girl is brought to the physician by her mother because of difficulty feeding and lethargy for 1 day. She had jaundice after birth and was scheduled for a follow-up visit the next day. Her hemoglobin is 18.5 g/dL, total bilirubin is 38.1 mg/dL, and direct bilirubin is 0.1 mg/dL. Despite appropr...
C
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<<Question:>> A 57-year-old man with a known angina pectoris starts to experience a severe burning retrosternal pain that radiates to his left hand. After 2 consecutive doses of sublingual nitroglycerin taken 5 minutes apart, there is no improvement in his symptoms, and the patient calls an ambulance. Emergency medical...
C
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<<Question:>> A 30-year-old woman who is 24-weeks pregnant presents to the emergency department with fever, painful urination, and headache. The patient's blood pressure is 111/67 mm Hg, the pulse is 95/min, the respiratory rate is 16/min, and the temperature is 38.3°C (101.1°F). Physical examination reveals bilateral ...
B
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<<Question:>> An 8-year-old boy is brought to the emergency department because of shortness of breath and dry cough for 2 days. His symptoms began after he helped his father clean the basement. He is allergic to shellfish. Respirations are 26/min. Physical examination shows diffuse end-expiratory wheezing and decreased...
D
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<<Question:>> A 20-year-old man presents to the doctor's office for advice on improving his health. He admits to eating mostly junk food, and he knows that he should lose some weight. His daily physical activity is limited to walking around the college campus between classes. Except for an occasional headache for which...
A
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<<Question:>> A 64-year-old man presents to the emergency department with sudden onset of chest pain and an episode of vomiting. He also complains of ongoing nausea and heavy sweating (diaphoresis). He denies having experienced such symptoms before and is quite upset. Medical history is significant for hypertension and...
A
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<<Question:>> A 3400-g (7 lb 8 oz) female newborn is delivered at 40 weeks' gestation. Physical examination shows pale skin, blonde hair, and blue irides. Her parents are from Haiti and express concern regarding the newborn's appearance. The most likely cause of this newborn's condition is a defect in which of the foll...
B
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<<Question:>> A 48-year-old woman with a known past medical history significant for hypertension presents for a second opinion of a left breast lesion. The lesions were characterized as eczema by the patient’s primary care physician and improved briefly after a trial of topical steroids. However, the patient is concern...
B
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<<Question:>> A 27-year-old man comes to the physician with his wife because they have been unable to conceive. They have had regular unprotected sex for the past 18 months without using contraception. His wife has been tested and is fertile. The patient began puberty at the age of 13 years. He has been healthy except ...
A
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<<Question:>> A 38-year-old woman presents with fever and acute onset chest pain for the past 12 hours. She describes the pain as severe, sharp and stabbing in character, and localized to the retrosternal area. She also says the pain is worse when she breathes deeply or coughs. Past medical history is significant for r...
A
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<<Question:>> A previously healthy 64-year-old man comes to the physician 3 days after noticing a lump in his right groin while he was bathing. He has no history of trauma to the region. He has hypercholesterolemia and hypertension treated with atorvastatin and labetalol. He has smoked 2 packs of cigarettes daily for 3...
D